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Number plate lights

silverfox666 Jan 1, 2015

  1. silverfox666

    silverfox666 Registered User

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    One of mine has gone, and it's the old yellow colour. Can anyone recommend a decent 'white' light replacement? I assume an LED will do it. Mine's a 2010 plate, and have heard these should take the LED replacements? Have searched for this but am finding conflicting info. Anyone done it?
     
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  3. B5NUT

    B5NUT Well-Known Member VCDS Map User

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  4. silverfox666

    silverfox666 Registered User

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    Thank you B5NUT. My our thread link is very good...

    However, I notice your car already had LED number plate lights, whereas mine hasn't (but dies have led tail lights and xenons). So that was my original question, will Audi LEDs work without error, considering mine has the yellow lights at the moment?

    I guess it's all about the canbus if I buy elsewhere. Going to halfrsuds today to see if they sell them.
     
  5. B5NUT

    B5NUT Well-Known Member VCDS Map User

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  6. Johny2202

    Johny2202 Registered User

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    My car too running with these number plate lights with no problem and without warning in cluster. 4H0 943 021 and 4H0 943 022 is from new A8 and with these ray of light is much better than products from China. :)
     
  7. silverfox666

    silverfox666 Registered User

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    Nice one all!
     
  8. RoyC

    RoyC Registered User

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    I fitted white LED number plate lights but went back to the original yellow ones.
    I didn't like the reflection in the bumper, looked like there were lights above and below the number plate.
     
  9. Johny2202

    Johny2202 Registered User

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    Did you use these 4H0 943 021 and 4H0 943 022 ?
     
  10. RoyC

    RoyC Registered User

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    No idea, but looked the same as this.

    WP_20140408_005_zpse2dd1eb4.jpg
     
  11. silverfox666

    silverfox666 Registered User

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    Hi, very frustrating at the minute! Have finally got the number plate covers off and got new screws to replace the ruined ones. Got some LEDs from halfords (read reviews and they are supposed to be canbus). Fitted them and I get the error. Oddly when I replace just one of them (so there is one led and one halogen fitted), they both come on and there is no error. But when I fit both LEDs, they flash on briefly and then throw up an error. Any idea please? What am I missing? Do I need to reset something?

    Thanks
     
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  13. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    If they state can-bus compatible then send them back or try replacements there is nothing you can do on the car to make them work. if the central electric module does not like what is see connect to the lighting circuit then it simply shuts down power to that circuit.
     
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  14. silverfox666

    silverfox666 Registered User

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    Thank you mate. How annoying then! No point in fiddling anymore. I did hesitate buying from halfords too, but just happened to be in there. Will return and source some off internet. Your explanation explains why they flash on then and then stay off. Still odd that it works with one led and one halogen though!
     
  15. silverfox666

    silverfox666 Registered User

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    I've just done an hour round trip to swap the bulbs, for ones that actually say 'canbus' on the website and I still get the same issue! Tried all different ways round for the bulbs and still same issue. I reckon there's a problem with my car OR more than likely the halfords canbus LEDs aren't can us at all.
     
  16. silverfox666

    silverfox666 Registered User

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  17. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Think your car is working fine as the standard bulbs don't bring up any errors, I'd bin them and fit the OEM ones.
     
  18. Sandra

    Sandra Administrator Staff Member Administrator Platinum Supporter Audi Main Dealer

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    Guys, have you tried site sponsor @t8ups for replacement bulbs. :) x
     
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  19. silverfox666

    silverfox666 Registered User

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    B5nut. Found these codes on one of your threads. Are these entire units or can I just buy the bulbs do you know? I've asked for led bulbs off Audi and as they've gone off my number plate they said they don't have them... So have told them to ignore my reg!!

    4H0 943 021 and 4H0 943 022 - are these entire units?
     
  20. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Yes, these are the number for the lights.
    These are what you will get
    [​IMG]
     
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  21. silverfox666

    silverfox666 Registered User

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    Cheers, so they look like all in one units? Can I not replace the bulb? I ask as I have just bought the casings as they got damaged when taking the old ones out. They cost me £18. Maybe I could take these back to Audi and get the above units? What car are they actually from?
     
  22. Johny2202

    Johny2202 Registered User

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    4H0 943 021 and 4H0 943 022 are from Audi A 8 2011Y
     
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  23. silverfox666

    silverfox666 Registered User

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    Ah ok, thanks. Might get a pair tomorrow then and doth my other attempts (plus return the other bits to halfrds and Audi!).
     
  24. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    They are from an A8 but they work perfect on the A6 . They are an all in one unit Audi don't sell any LED bulbs that I know of.
     
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  25. silverfox666

    silverfox666 Registered User

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    Cool, will sack off the bits I have and get these units. £30 aren't they?
     
  26. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Yer they are about £15 each.
     
  27. RoyC

    RoyC Registered User

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    Why do you want to make your number plate easier to read?
    Dimmer the better.
     
  28. silverfox666

    silverfox666 Registered User

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    ... this is why... because they look miles better IMO!

    IMG_0024.JPG IMG_0023.JPG

    Thanks B5NUT for the advise. I got the OEMS in the end off the A8 - they were £35.
     
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  29. RoyC

    RoyC Registered User

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    ... this is why... because they look miles better IMO!

    What ever turns you on :uhm:
     
  30. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Also agree when you have LED rear lights the matching LED number plate lights complete the look.
     
  31. silverfox666

    silverfox666 Registered User

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    Bit of a strange one... Had the bulbs fitted since January with no probs. yesterday I got an error flash up about a number plate bulb error. I've checked the bulbs by switching the ignition off and on again ( with the lights on), and they stay on briefly until the error comes up and then switch off. What could cause this to happen after 4 months? I did an mmi firmware update about a month ago and until today - everything was ok. Could it be something like moisture in the contacts - rather than the car 'rejecting' the LEDs?
     
  32. silverfox666

    silverfox666 Registered User

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    Correction- just checked by turning ignition on and off and the passenger side one isn't lighting up, the drivers side one flashes twice. So I guess the very expensive bulb has blown already. Bought it from Audi so am going to get them to replace FOC (hopefully!).
     
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  34. silverfox666

    silverfox666 Registered User

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    Audi have agreed to swap the soft one. The one that works flashes three times before the error is thrown up, and the other doesn't light up once. So I can assume it is a faulty led. Only problem is I can't undo the crappy screw again!! FFS :-(
     
  35. silverfox666

    silverfox666 Registered User

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    Could with some advice please... Used car this morning, after trying to undo the screw (and failing) last night. Now the bulb is working with no errors... What is going on does any reckon? Loose connection somewhere?
     
  36. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Corrosion around the contacts? Without taking the LED out it's difficult to say.
     
  37. silverfox666

    silverfox666 Registered User

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    Cheers B5NUT, not sure as when I had the units out in January they were fine. As you know I've fitted the 2011 A8 units, so the contact seemed as good as it could get. Wonder if it could be a the connection end where the cable go into the bootlid, down by the eighth and hinge. I cleaned around it a few weeks ago as it was full of dirt? Do these just unconnected do you know? Maybe if one cable has got corroded it could explain the reason why one fails. Although, I'm surprised the car switches the working one off too - surely it's better to have one on than none?!
     
  38. silverfox666

    silverfox666 Registered User

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    Sorry for the auto correct spelling! I meant right hand hinge...
     
  39. silverfox666

    silverfox666 Registered User

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    Well, got the unit out and couldn't see any signs of corrosion on the contacts. Checked the wiring end in the boot and can see nothing loose. Audi sent a new unit, so have fitted it and will see how it goes.
     
  40. Markjb

    Markjb Registered User

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    Let us know how you get on. I have these fitted and have also had the same error pop up twice. Haven't had to time to run a scan yet - will post if it shows anything up but won't get time until teh weekend now,

    M
     
  41. silverfox666

    silverfox666 Registered User

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    Ok, will do. All ok so far, but it went 4 months without an error until recently. So very odd that it should decide it didn't like one of the units.
     
  42. Markjb

    Markjb Registered User

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    Exactly the same as me tbh. In for about 3 months with no errors, then 2 appeared but have had nothing since - appx 3 weeks ago.

    Weird
     
  43. silverfox666

    silverfox666 Registered User

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    FFS! Got the error come up again just now. Just don't get how sporadic it is... I'm tempted to sack them off as its really annoying, and guess will be an not fail too. Shame I threw the old ones away :-( I also hate the yellow look of the old ones. Is there something that can solve this does anyone know?
     

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